ADM6996L-AA-T-1 Lantiq, ADM6996L-AA-T-1 Datasheet - Page 53

• Manufacturer Part Number: ADM6996L-AA-T-1
• Manufacturer: Lantiq

Specifications of ADM6996L-AA-T-1

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Field
OF2
Res
OF1
Res
OF0
4.3
Table 23
Tag Protocol TD 8100
Byte 12~13
Note: ADM6996L/LX will check packet byte 12 &13. If byte[12:13]=8100h then this packet is a VLAN packet
Byte 14~15: Tag Control Information TCI
Bit[15:13]: User Priority 7~0
Bit 12: Canonical Format Indicator (CFI)
Bit[11~0]: VLAN ID. The ADM6996L/LX will use bit[3:0] as VLAN group.
4.4
Table 24
Type 0800
Byte 12~13
Note: ADM6996L/LX checks bytes 12 &13. If this value is 0800
IP header define
Byte 14
Bit[7:0]: IP protocol version number & header length.
Byte 15: Service type
Bit[7~5]: IP Priority (Precedence) from 7~0
Bit 4: No Delay (D)
Bit 3: High Throughput
Bit 2: High Reliability (R)
Bit[1:0]: Reserved
4.5
Customer can select ADM6996L/LX read EEPROM contents as chip setting or not. ADM6996L/LX will check the
signature of EEPROM to decide read content of EEPROM or not.
Data Sheet
priority packet.
VLAN Packet
VLAN Packet
TOS IP Packet
TOS IP Packet
EEPROM Access
Bits
4
3
2
1
0
Tag Control Information
TCI
Byte14~15
Type
ro
ro
ro
ro
ro
Description
Overflow of Port 2 Collision Count
Reserved
Overflow of Port 1 Collision Count
Reserved
Overflow of Port 0 Collision Count
53
LEN Length
Byte 16~17
IP Header
Byte 14~15
H
then the ADM6996L/LX knows this is a TOP
Registers DescriptionVLAN Packet
Routing Information
Byte 18
Rev. 1.13, 2005-11-22
ADM6996L/LX
Data Sheet